Hydatid cyst in soft tissues mimicking malignant tumors. Diagnosis by fine needle aspiration cytology.

Objective: To evaluate the role of fine needle aspiration cytology in the diagnosis of soft tissue hydatid cysts.

Study Design: Five cases of soft tissue hydatid cyst were diagnosed primarily by fine needle aspiration cytology.

Results: In all cases, large fragments of acellular material, finely lamellated, were found.